Warped Andromeda, JPL/NASA images
Summary
This image from NASA Wide-field Infrared Survey Explorer highlights the Andromeda galaxy older stellar population in blue. A pronounced warp in the disk of the galaxy, the aftermath of a collision with another galaxy, can be seen in the spiral arm.
NASA/JPL-Caltech/UCLA
Tags
Date
17/02/2010
Source
NASA
Copyright info
Public Domain Dedication (CC0)